Gold Complexes of a P-Coordinate Cyclotriphosphazene

K. C. Dash, A. Schmidpeter, H. Schmidbaur

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Abstract

Contrary to the reports on the coordination oi copper (I) to N/P-ambidentate cyclotriphosphazenes, gold (I), gold (III) and dimethylgoldf 111) chloride are found to become exclusively P-coordinated to the prototype ligand 2-methyl-4, 4, 6, 6-tetraphenylcyclotriphosphazene (1). The P-H proton is transferred to an adjacent nitrogen atom of the heterocycle. According to temperature dependent NMR spectra, the AuCl and the AuCl3 complexes are fluxional molecules or ions, resp., with a rapid proton transfer between P-NH-P and P = N-P functions. The behaviour is similar to that of related palladium and platinum complexes, reported previously.

Original languageEnglish
Pages (from-to)1286-1288
Number of pages3
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Volume35
Issue number10
DOIs
StatePublished - 1 Oct 1980
Externally publishedYes

Keywords

  • Cyclotriphosphazenes
  • Gold Complexes
  • N/P-Ambidentate System
  • Tautomerism

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